Update Twitter badge

README.md

@@ -6,7 +6,7 @@
 [![Latest Stable Version](https://img.shields.io/github/release/shlinkio/shlink.svg?style=flat-square)](https://packagist.org/packages/shlinkio/shlink)
 [![Docker pulls](https://img.shields.io/docker/pulls/shlinkio/shlink.svg?logo=docker&style=flat-square)](https://hub.docker.com/r/shlinkio/shlink/)
 [![License](https://img.shields.io/github/license/shlinkio/shlink.svg?style=flat-square)](https://github.com/shlinkio/shlink/blob/main/LICENSE)
-[![Twitter](https://img.shields.io/badge/follow-shlinkio-blue.svg?style=flat-square&logo=twitter&color=blue)](https://twitter.com/shlinkio)
+[![Twitter](https://img.shields.io/badge/follow-shlinkio-blue.svg?style=flat-square&logo=x&color=black)](https://twitter.com/shlinkio)
 [![Mastodon](https://img.shields.io/mastodon/follow/109329425426175098?color=%236364ff&domain=https%3A%2F%2Ffosstodon.org&label=follow&logo=mastodon&logoColor=white&style=flat-square)](https://fosstodon.org/@shlinkio)
 [![Paypal donate](https://img.shields.io/badge/Donate-paypal-blue.svg?style=flat-square&logo=paypal&colorA=aaaaaa)](https://slnk.to/donate)